Fix NzHerald (xhr)

changelog.txt

@@ -6,6 +6,7 @@ Post-release
 Add Ikz-online.de (Funke)
 Remove Braunschweiger-zeitung.de (Funke; fix obsolete)
 Fix Freitag.de (text-break)
+Fix NzHerald (xhr)
 
 * v3.4.4.0 (2023-11-26)
 Add Freitag.de

contentScript_once_var.js

@@ -100,6 +100,7 @@ function insert_script(func, insertAfterDom) {
     script.setAttribute('id', 'bpc_script');
     script.appendChild(document.createTextNode('(' + func + ')();'));
     let insertAfter = insertAfterDom ? insertAfterDom : (document.body || document.head || document.documentElement);
-    insertAfter.appendChild(script);
+    if (insertAfter)
+      insertAfter.appendChild(script);
   }
 }

sites.js

@@ -1679,7 +1679,8 @@ var defaultSites = {
   },
   "New Zealand Herald": {
     domain: "nzherald.co.nz",
-    allow_cookies: 1
+    allow_cookies: 1,
+    block_regex: /\.nzherald\.co\.nz\/sales\/public\/v\d\/entitlements/
   },
   "Newsday": {
     domain: "newsday.com",